The invention discloses a high-efficiency integrated irrigation machine for water and fertilizers, comprising a reeling machine, a water-spraying walking vehicle and a water conveying pipe, and further comprising an integrated intelligent control system for water, fertilizers and pesticides; the reeling machine comprises a winch, a power transmission mechanism, a chassis and a water turbine mechanism; the integrated intelligent control system for water, fertilizers and pesticides includes a wireless soil-moisture-content sensor, a wireless transmission network, a host computer for decision making, and a lower computer for controlling an electronic control actuator, and the electronic control actuator includes an EC / PH sensor, a liquid level sensor, a fertilizer liquid pneumatic regulatingvalve, an acid-base liquid pneumatic regulating valve, a dosing metering pump and a water-pump flow control valve; the fertilizer liquid pneumatic regulating valve, the acid-base liquid pneumatic regulating valve and the dosing metering pump form a variable adjustment actuator, a reeling-machine uniform-speed recovery control structure and a water-pump stopping mechanism; and a liquid level collector and a camera are fixed on the frame of the water-spraying walking vehicle, the liquid level collector and the camera are connected to a controller through wireless transmission, and the liquid level sensor is connected with the liquid level collector.